Home / 26,718.33-36,867.15-15,388.32

Finding the Fourth Proportional to 26,718.33, 36,867.15 and 15,388.32

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Solution

The fourth proportional to 26,718.33, 36,867.15 and 15,388.32 is: 21,233.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,718.33 : 36,867.15 = 15,388.32 : x
  2. Step 2: Convert to fraction form
    26,718.33/36,867.15 = 15,388.32/x
  3. Step 3: Cross multiply
    26,718.33x = 36,867.15 × 15,388.32
  4. Step 4: Simplify right side
    26,718.33x = 567,323,501.69
  5. Step 5: Solve for x
    x = 567,323,501.69/26,718.33
  6. Step 6: Final answer
    x = 21,233.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.